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Quercus hypoleucoides, though usually seen as a shrub, can be found to be a full-sized tree, 9 metres (30 feet) tall in areas where it receives sufficient water. [6] [7] The tree produces its flowers in the spring as most plants do. [8] It grows in warm regions and is used as an ornamental due to its unusual foliage. [9] Bark: Is dark gray in ...
Among the commercial products made from bark are cork, cinnamon, quinine [48] (from the bark of Cinchona) [49] and aspirin (from the bark of willow trees). The bark of some trees, notably oak (Quercus robur) is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber production are often used in bark mulch.
Quercus margarettae is a deciduous shrub or small tree growing up to 12 meters (40 feet) tall. [5] The bark is gray and scaly. The leaves are up to 135 millimetres (5 + 1 ⁄ 4 inches) long, and bipinnately lobed with rounded lobes. The plant grows in sandy or gravelly soil. [6] [4]
Quercus pagoda, the cherrybark oak, is one of the most highly valued red oaks in the southern United States. It is larger and better formed than southern red oak and commonly grows on more moist sites. Its strong wood and straight form make it an excellent timber tree.
Older trees only form short shoots between 7 and 15 cm (3 and 6 in) in length. [6] The thick, longitudinally cracked cork layers of the gray-brown trunk bark are characteristic of the cork oak. The cambium of the smooth bark of young trees forms a cork layer very early on, which can be 3 to 5 cm (1 + 1 ⁄ 4 to 2 in) thick. The light and spongy ...
Common names for Quercus sinuata var. breviloba are Bigelow oak, Bigelow's oak, shallow-lobed oak, white shin oak, scaly-bark oak, limestone Durand oak, and shortlobe oak. Other common names include scrub oak or shin oak , but these names may refer to a number of other low growing, clump forming oak species, subspecies or varieties.
Quercus frainetto is a large deciduous tree, reaching heights of 38 metres (125 feet) tall by 20 m (66 ft) broad, [3] with a trunk girth of nearly 2 m (7 ft). The bark is light gray in colour and cracks into small square cracking plates. The buds are large, long and pointed, shiny russet or light brown in colour with minute tomentum.
Quercus rugosa is an evergreen shrub or tree. [3] The bark is brown and scaly. The leaves are thick and leathery, rarely flat, usually cupped, up to 15 centimetres (6 inches) long, dark green on the top but covered with a thick of reddish-brown hairs on the underside.